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Abstract:

Abstract: Results of a search for H → ττ decays are presented, based on the full set of proton-proton collision data recorded by the ATLAS experiment at the LHC during 2011 and 2012. The data correspond to integrated luminosities of 4.5 fb−1 and 20.3 fb−1 at centre-of-mass energies of √s = 7 TeV and √s = 8 TeV respectively. All combinations of leptonic (τ→ℓνν¯ with ℓ = e, μ) and hadronic (τ → hadrons ν) tau decays are considered. An excess of events over the expected background from other Standard Model processes is found with an observed (expected) significance of 4.5 (3.4) standard deviations. This excess provides evidence for the direct coupling of the recently discovered Higgs boson to fermions. The measured signal strength, normalised to the Standard Model expectation, of μ = 1. 43− 0.37+ 0.43 is consistent with the predicted Yukawa coupling strength in the Standard Model.[Figure not available: see fulltext.] © 2015, The Author(s).

Registro:

Documento: Artículo
Título:Evidence for the Higgs-boson Yukawa coupling to tau leptons with the ATLAS detector
Autor:The ATLAS collaboration et al.
Este artículo contiene 2880 autores, consultelos en el artículo en formato pdf.
Filiación: Este artículo contiene 2880 autores con sus filiaciones, consultelas en el artículo en formato pdf.
Palabras clave:Hadron-Hadron Scattering
Año:2015
Volumen:2015
Número:4
Página de inicio:1
Página de fin:74
DOI: http://dx.doi.org/10.1007/JHEP04(2015)117
Título revista:Journal of High Energy Physics
Título revista abreviado:J. High Energy Phys.
ISSN:11266708
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_11266708_v2015_n4_p1_TheATLAScollaboration

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Citas:

---------- APA ----------
(2015) . Evidence for the Higgs-boson Yukawa coupling to tau leptons with the ATLAS detector. Journal of High Energy Physics, 2015(4), 1-74.
http://dx.doi.org/10.1007/JHEP04(2015)117
---------- CHICAGO ----------
The ATLAS collaboration. "Evidence for the Higgs-boson Yukawa coupling to tau leptons with the ATLAS detector" . Journal of High Energy Physics 2015, no. 4 (2015) : 1-74.
http://dx.doi.org/10.1007/JHEP04(2015)117
---------- MLA ----------
The ATLAS collaboration. "Evidence for the Higgs-boson Yukawa coupling to tau leptons with the ATLAS detector" . Journal of High Energy Physics, vol. 2015, no. 4, 2015, pp. 1-74.
http://dx.doi.org/10.1007/JHEP04(2015)117
---------- VANCOUVER ----------
The ATLAS collaboration. Evidence for the Higgs-boson Yukawa coupling to tau leptons with the ATLAS detector. J. High Energy Phys. 2015;2015(4):1-74.
http://dx.doi.org/10.1007/JHEP04(2015)117